Cisco Nexus 7000 Series NX-OS Interfaces Command Reference
New and Changed Information for Interfaces Command Reference
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New and Changed Information

Table Of Contents

New and Changed Information

New and Changed Information

This chapter provides release-specific information for each new and changed feature in the Cisco Nexus 7000 Series NX-OS Interfaces Command Reference. The latest version of this document is available at the following Cisco website:

To check for additional information about Cisco NX-OS Release 6.x, see the Cisco Nexus 7000 Series NX-OS Release Notes, Release 5.x, available at the following Cisco website:

The following table summarizes the new and changed features for the Cisco Nexus 7000 Series NX-OS Interfaces Command Reference and tells you where they are documented.

Table 1 New and Changed Information for Release 6.x 

Change Description
Changed in Release
Where Documented

Result bundle hash load balancing

Added the system module-type command.


system module-type


Added the port-channel load-balance hash modulo command.


port-channel load-balance hash-modulo

F2 vPC+ without SSID

Added the port-channel limit command.


port-channel limit

slow drain configuration commands for Ethernet interfaces

Added the system default interface congestion timeout, system default interface congestion mode, system default interface pause timeout, system default interface pause mode commands.


system default interface congestion timeout

system default interface congestion mode

system default interface pause timeout

system default interface pause mode


Changed the show interface command output.


show interface

Virtual Port Channel (vPC) enhancements

Added the ability to shut down the vPC when the peer link is down.


vpc orphan-ports suspend

Added the support for the vPC auto recovery.




Added the ability to support SHA-1 authentication for BFD packets.


bfd authentication

SVI Autostate Exclude

Added the ability to exclude a port from the VLAN interface link-up calculation when there are multiple ports in the VLAN.


switchport autostate exclude

Added support for vPCs

Command to use gateway MAC for all packets

Command to maintain specified VLAN interfaces if the vPC peer devices fail

Command to delay the vPC secondary device coming up after reload


delay restore

delay restore interface-vlan


Port profiles

Added commands to enable and configure port profiles that you can apply to ranges of interfaces.


port-channel load-defer

show port-profile
state enabled

Tunnels can use VDCs and VRFs

Added support for tunnel interfaces to use VDCs and VRFs other than defaults.


tunnel use-vrf

Default values changed for delay command

The default delay was 100 microseconds for all interfaces. Beginning with Release 4.2(1), the default delays are as follows:

10 microseconds for all interfaces except loopback ports

5000 microseconds for loopback ports



Error disable

Added parameter vpc-peerlink to errdisable recovery cause command.


errdisable recovery cause

vPC commands

Added commands to enable and configure virtual port channels (vPCs) as well as commands to display vPC information


clear vpc statistics

feature vpc

peer-keepalive destination

role priority

show startup-config vpc

show startup-config vpc

show vpc consistency-parameters

show vpc peer-keepalive

show vpc role

show vpc statistics


vpc domain

vpc peer-link

Carrier delay

The carrier-delay command was added on VLAN interfaces only.